import java.util.Scanner;

public class GuessNumber{
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        String again;
//        1.生成答案数字
        do {
            int answer = (int) (Math.random() * 100 + 1);
            int chances = 7;

//            2.接受猜测数字
            while (chances > 0) {

                System.out.println("请猜一个1-100之间的整数," + "你还有" + chances + "次机会:(输入-1退出游戏)");
                int guess;
                try {
                    guess = scan.nextInt();
                }catch (Exception e){
                    System.out.println("请输入合法数字!");
                    scan.next();
                    continue;
                }
//            3.比较大小
                if(guess == -1){
                    break;
                }
                if (guess > answer) {
                    System.out.println("大了");
                } else if (guess < answer) {
                    System.out.println("小了");
                } else {
                    System.out.println("猜对了");
                    break;
                }
                chances = chances - 1;
            }
            if (chances <= 0) {
                System.out.println("你没有机会了!");
            }
//            4.每接收一个数字都比较一次大小

            System.out.println("再玩一次吗?(y/n)");
            again = scan.next();

        }while (again.equalsIgnoreCase("y"));

    }
}